Alert archive / Florida / Tornado Warnings in 2012

Tornado Warning 15, NWS Melbourne, FL

June 25, 2012Osceola County, Florida

NWS Melbourne, FL issued this tornado warning at Jun 25, 2012, 10:45 AM EDT for Osceola County, Florida. It was in force for 24 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued: Jun 25, 2012, 10:45 AM EDT (14:45 UTC)
Expired: Jun 25, 2012, 11:09 AM EDT
In force: 24 min
Issued by: NWS Melbourne, FL
Area: Storm-based polygon

County Osceola County, FL

The radar

The Melbourne radar (KMLB), 78 km from the middle of the area, began a volume at 14:45 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 25, 4:37 AM EDT	Tornado Watch	SPC	9 hr

The nearest sounding before it

Cape Canaveral, FL (KXMR), launched 12:00Z, 2.8 hours before the alert went out and 100 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 628 J/kg
Mixed-layer CIN: -7 J/kg
Mixed-layer LCL: 784 m above ground
0-6 km bulk shear: 26 kt
0-1 km storm-relative helicity: 169 m²/s²
0-3 km storm-relative helicity: 120 m²/s²
Significant tornado parameter: 0.5
Supercell composite: 7.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

763 
WFUS52 KMLB 251445
TORMLB
FLC097-251530-
/O.NEW.KMLB.TO.W.0015.120625T1445Z-120625T1530Z/

BULLETIN - EAS ACTIVATION REQUESTED
TORNADO WARNING
NATIONAL WEATHER SERVICE MELBOURNE FL
1045 AM EDT MON JUN 25 2012

THE NATIONAL WEATHER SERVICE IN MELBOURNE HAS ISSUED A

* TORNADO WARNING FOR...
  NORTHWESTERN OSCEOLA COUNTY IN FLORIDA...
  THIS INCLUDES THE CITIES OF...WEST LAKE TOHO...KISSIMMEE...
  INTERCESSION CITY...BUENA VENTURA LAKES...

* UNTIL 1130 AM EDT.

* AT 1045 AM EDT...NATIONAL WEATHER SERVICE METEOROLOGISTS DETECTED A
  SEVERE THUNDERSTORM CAPABLE OF PRODUCING A TORNADO NEAR
  POINCIANA...OR ABOUT 10 MILES EAST OF HAINES CITY...MOVING NORTH AT
  40 MPH.

* OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO
  POINCIANA PLACE AND CAMPBELL

THE IMMEDIATE DANGER OF A TORNADO IS HIGH. PEOPLE IN THE PATH OF THIS
DEVELOPING TORNADO ARE URGED TO QUICKLY PREPARE FOR ITS APPROACH.
THIS IS A DANGEROUS SITUATION! ACT NOW AS SECONDS CAN SAVE LIVES!

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STRONG BUILDING ON
THE LOWEST FLOOR...IN AN INTERIOR ROOM SUCH AS A BATHROOM OR CLOSET.
KEEP AWAY FROM WINDOWS. GET UNDER A WORKBENCH OR OTHER PIECE OF
STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.
EVACUATE MOBILE HOMES OR VEHICLES FOR MORE SUBSTANTIAL SHELTER.

&&

LAT...LON 2835 8153 2834 8128 2808 8136 2808 8142
      2806 8144 2803 8139 2801 8139 2800 8140
      2800 8142 2804 8147 2807 8143 2809 8146
      2814 8146 2814 8153 2820 8153 2824 8155
TIME...MOT...LOC 1445Z 197DEG 18KT 2810 8146

$$

JP

2 follow-up statements

905 
WWUS52 KMLB 251504
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1104 AM EDT MON JUN 25 2012

FLC097-251530-
/O.CON.KMLB.TO.W.0015.000000T0000Z-120625T1530Z/
OSCEOLA-
1104 AM EDT MON JUN 25 2012

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 1130 AM EDT FOR
NORTHWESTERN OSCEOLA COUNTY...

AT 1103 AM EDT...NATIONAL WEATHER SERVICE DOPPLER RADAR CONTINUED TO 
INDICATE ROTATION CAPABLE OF PRODUCING A TORNADO.  EAST OF POINCIANA 
OR NEAR WEST LAKE TOHO...MOVING NORTH AT 40 MPH.

OTHER LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO 
INTERCESSION CITY...CAMPBELL.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

THE SAFEST PLACE TO BE DURING A TORNADO IS IN A STRONG BUILDING ON
THE LOWEST FLOOR...IN AN INTERIOR ROOM SUCH AS A BATHROOM OR CLOSET.
KEEP AWAY FROM WINDOWS. GET UNDER A WORKBENCH OR OTHER PIECE OF
STURDY FURNITURE. USE BLANKETS OR PILLOWS TO COVER YOUR BODY.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM EDT MONDAY AFTERNOON
FOR EASTERN FLORIDA.

&&

LAT...LON 2835 8153 2834 8128 2808 8136 2808 8142
      2806 8144 2803 8139 2801 8139 2800 8140
      2800 8142 2804 8147 2807 8143 2809 8146
      2814 8146 2814 8153 2820 8153 2824 8155
TIME...MOT...LOC 1503Z 197DEG 18KT 2819 8143

$$

JP

258 
WWUS52 KMLB 251509
SVSMLB

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MELBOURNE FL
1109 AM EDT MON JUN 25 2012

FLC097-251519-
/O.CAN.KMLB.TO.W.0015.000000T0000Z-120625T1530Z/
OSCEOLA-
1109 AM EDT MON JUN 25 2012

...THE TORNADO WARNING FOR NORTHWESTERN OSCEOLA COUNTY IS
CANCELLED...

THE SEVERE STORM THAT PROMPTED THE WARNING HAD WEAKENED AND EXITED
THE WARNING AREA...THUS THE WARNING HAS BEEN CANCELLED.

A TORNADO WATCH REMAINS IN EFFECT UNTIL 200 PM EDT MONDAY AFTERNOON
FOR EASTERN FLORIDA.

LAT...LON 2835 8153 2834 8128 2808 8136 2808 8142
      2806 8144 2803 8139 2801 8139 2800 8140
      2800 8142 2804 8147 2807 8143 2809 8146
      2814 8146 2814 8153 2820 8153 2824 8155
TIME...MOT...LOC 1509Z 197DEG 18KT 2822 8142

$$

JP

The office that day

Everything else NWS Melbourne, FL issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Jun 24, 8:30 PM EDT	Special Marine Warning	MLB		60 min
Jun 24, 8:51 PM EDT	Special Weather Statement	MLB	Lake	39 min
Jun 24, 9:40 PM EDT	Tornado Warning	MLB	Okeechobee, Osceola	50 min
Jun 24, 9:46 PM EDT	Flood Watch	MLB	Lake	22 hr
Jun 24, 10:03 PM EDT	Special Marine Warning	MLB		57 min
Jun 24, 10:26 PM EDT	Special Weather Statement	MLB	Brevard, Indian River, Martin, Okeechobee, Osceola, Saint Lucie	94 min
Jun 24, 10:39 PM EDT	Tornado Warning	MLB	Brevard, Osceola	39 min
Jun 24, 11:14 PM EDT	Tornado Warning	MLB	Brevard, Orange	46 min
Jun 25, 12:03 AM EDT	Special Weather Statement	MLB	Seminole	27 min
Jun 25, 12:25 AM EDT	Special Marine Warning	MLB		65 min
Jun 25, 4:36 AM EDT	Lake Wind Advisory	MLB	Lake, Okeechobee, Orange, Osceola, Seminole, Volusia	15 hr
Jun 25, 12:26 PM EDT	Special Weather Statement	MLB	Indian River	34 min
Jun 25, 12:46 PM EDT	Tornado Warning	MLB	Indian River, Saint Lucie	44 min
Jun 25, 1:39 PM EDT	Special Weather Statement	MLB	Saint Lucie	36 min
Jun 25, 3:41 PM EDT	Special Marine Warning	MLB		64 min
Jun 25, 4:17 PM EDT	Special Weather Statement	MLB	Brevard	43 min
Jun 25, 7:09 PM EDT	Special Weather Statement	MLB	Lake	66 min

Nearby

Tornado Warnings in Florida, 2012 Every tornado warning in 2012 Tornadoes in 2012

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.